Home / 156,972-339,700

Finding the Third Proportional to 156,972 and 339,700

Calculator

Solution

The third proportional to 156,972 and 339,700 is: 735,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972 : 339,700 = 339,700 : x
  2. Step 2: Convert to fraction form
    156,972/339,700 = 339,700/x
  3. Step 3: Cross multiply
    156,972x = 339,700 × 339,700
  4. Step 4: Simplify right side
    156,972x = 115,396,090,000
  5. Step 5: Solve for x
    x = 115,396,090,000/156,972
  6. Step 6: Final answer
    x = 735,138.05

Related Problems

Find third proportional to 78,486 and 169,850
Half scale
Find third proportional to 313,944 and 679,400
Double scale
Find third proportional to 156,974 and 339,704
Similar ratio
Find third proportional to 235,458 and 509,550
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.